Categories ↠ Motor Graders ↠ John Deere 770B

John Deere 770B Motor Grader

Category: Motor Graders ➔
Manufacturer: John Deere ➔
Model: 770B ➔

The John Deere 770B Motor Grader is a powerful and versatile machine designed for grading and shaping roads and surfaces with precision. With a turbocharged engine producing 155 horsepower and 522 lb-ft of torque, this grader is capable of efficiently handling various terrains. Its hydraulics system provides a flow rate of 52.4 gallons per minute, while the closed-center variable displacement pump ensures smooth operation. Equipped with a moldboard measuring 12 feet in width and various operational weights up to 35,450 pounds, the 770B Motor Grader guarantees high performance and reliability.

See all John Deere 770Bs for sale

General Specifications

Circle

Blade Tip Angle - Front	49 degrees
Blade Tip Angle - Rear	5 degrees
Diameter	59 in (150 cm)
Max Lift Above Ground	19 in (47 cm)
Max Reach Outside Tires - Left	85 in (216 cm)
Max Reach Outside Tires - Right	83 in (211 cm)
Rotation	360 degrees
Shift Left	31 in (79 cm)
Shift Right	29 in (73 cm)

Dimensions

Blade Base	9 ft (3 m)
Front Ground Clearance	2 ft (1 m)
Height to Top of Isomount Cab	10 ft (3 m)
Overall Length	28 ft (9 m)
Tandem Axle Wheelbase	5 ft (2 m)
Wheelbase	20 ft (6 m)
Width Over Tires	8 ft (2 m)

Engine

Aspiration	Turbocharged
Displacement	466 cu in (7,636 cu cm)
Engine Model	6076T
Max Power	155 hp (116 kw)
Net Power Gears 7-8	155 hp (116 kw)
Net Torque Gears 7-8	522 lbs ft (708 nm)
Number of Cylinders	6
Power Measured @	2200 rpm
Torque Measured @	1100 rpm

Front Axle

Ground Clearance	2 ft (1 m)
Oscillation - Total	32 degrees
Wheel Lean	20 degrees

Hydraulic System

Pump Flow	52 gpm (198 lpm)
Pump Type	Closed Center Variable Displacement

Moldboard

Moldboard Height	24 in (61 cm)
Moldboard Thickness	1 in (2 cm)
Moldboard Width	12 ft (4 m)
Side Shift Left	27 in (68 cm)
Side Shift Right	27 in (68 cm)

Operating Specifications

Alternator Supplied Amperage	45 amps
Circle Gearbox Fluid Capacity	1 gal (4 l)
Cooling System Fluid Capacity	10 gal (38 l)
Fuel Capacity	90 gal (341 l)
Hydraulic System Fluid Capacity	23 gal (87 l)
Max Operation Weight - Front Axle	9,870 lbs (4,477 kg)
Max Operation Weight - Rear Axle	25,580 lbs (11,603 kg)
Max Operation Weight - Total	35,450 lbs (16,080 kg)
Oil System Fluid Capacity	7 gal (25 l)
Operating Voltage	24 volts
Std Operation Weight - Front Axle	8,700 lbs (3,946 kg)
Std Operation Weight - Rear Axle	22,550 lbs (10,229 kg)
Std Operation Weight - Total	31,250 lbs (14,175 kg)
Tandem Case Fluid Capacity (each)	5 gal (19 l)
Tire Size	14.00-24

Steering System

Articulation Angle	25 degrees
Turning Radius	22 ft (7 m)

Transmission

Max Speed - Forward	25 mph (41 kph)
Max Speed - Reverse	9 mph (14 kph)
Number of Gears - Forward	8
Number of Gears - Reverse	4
Transmission Type	Power Shift

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